Spawns once a year for several years in low productivity streams, but exhibits multiple spawning within a season in high productivity environments (Ref. 40290, 40754). Also Ref. 26506. Male protects several batches of eggs--deposited below a stone--for about 3 weeks. Larvae are not guarded and may occasionally been eaten (Ref. 45166).
- Sokolov, L.I. and L.S. Berdicheskii 1989 Acipenseridae. p. 150-153. In J. Holcík (ed.) The freshwater fishes of Europe. Vol. 1, Part II. General introduction to fishes Acipenseriformes. AULA-Verlag Wiesbaden. 469 p. (Ref. 9953) http://www.fishbase.org/references/FBRefSummary.php?id=9953&speccode=360
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